CA 1492 then CA 1435 at Beijing
Zunyi → Beijing → Chongqing
Timetable, Beijing time
23:55CA 1492 from Zunyi at the gate
17:00CA 1435 to Chongqing leaves the gate
17 h 05 apart on the timetable, overnight
CA 1435 leaves 17 h 05 after CA 1492 arrives on the timetable: more than half a day, so not a connection we count.